One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(9,10,12,14)(11,13,15,16)(17,18,22,26)(19,27,30,23)(20,31,29,24)(21,32,28,25)(2,5)(3,7)(11,15)(13,16)(17,19,22,30)(18,23,26,27)(20,28,29,21)(24,25,31,32)(1,2)(3,6)(4,5)(7,8)(9,10)(11,13)(12,14)(15,16)(17,20,22,29)(18,24,26,31)(19,28,30,21)(23,25,27,32)(2,5)(6,8)(17,20)(18,24)(19,28)(21,30)(22,29)(23,25)(26,31)(27,32) involution — undirected(1,2)(3,6)(4,5)(7,8)(9,11)(10,13)(12,15)(14,16)(17,21,22,28)(18,25,26,32)(19,29,30,20)(23,24,27,31)(1,3)(2,6)(4,7)(5,8)(9,10)(11,13)(12,14)(15,16)(17,18)(19,27)(20,24)(21,25)(22,26)(23,30)(28,32)(29,31) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.